제출 #1102404

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1102404		LTTrungCHL	Topical (NOI23_topical)	C++17	100 / 100	303 ms	92136 KiB

Main

///***LTT***///
/// ->NHAT QUOC GIA<- ///
#include<bits/stdc++.h>
//#pragma GCC optimize ("O3")
//#pragma GCC optimize ("unroll-loops")
//#pragma GCC target("popcnt")
//#define int long long
#define endl "\n"
#define F first
#define S second
#define pb push_back
using namespace std;
vector <int> lg2;
//void MAKE_LOG_ARR(int n){
//    lg2.resize(n + 3);
//    for (int i = 1;i <= n;++i){
//        lg2[i] = __lg(i);
//    }
//}
const long long oo = 1e9+7;
const int N = 1e6 + 3;
int n, k;
vector <pair <int ,int>> in[N];
vector <int> a[N];
long long cur[N];
int cnt[N];
void solve(){
    cin >> n >> k;
    for (int i = 1;i <= n;++i){
        for (int j = 1;j <= k;++j){
            int v;
            cin >> v;
            in[j].pb({v, i});
        }
    }
    for (int i = 1;i <= n;++i){
        a[i].pb(0);
        for (int j = 1;j <= k;++j){
            int tmp;
            cin >> tmp;
            a[i].pb(tmp);
        }
    }
    for (int i = 1;i <= k;++i){
        sort(in[i].begin(), in[i].end());
        reverse(in[i].begin(), in[i].end());
    }
    int gain = 0;
    while (1){
        bool found = false;
        for (int i = 1;i <= k;++i){
            while (!in[i].empty() and in[i].back().F <= cur[i]){
                ++cnt[in[i].back().S];
                if (cnt[in[i].back().S] == k){
                    found = true;
                    for (int j = 1;j <= k;++j){
                        cur[j] += a[in[i].back().S][j];
                        cur[j] = min(cur[j], oo);
                    }
                    ++gain;
                }
                in[i].pop_back();
            }
        }
        if (!found) break;
    }
    cout << gain;
    return;
}
int main(){
    ios_base::sync_with_stdio(NULL);
    cin.tie(NULL);
    cout.tie(NULL);
    if (fopen("ltt.inp", "r")){
        freopen("ltt.inp", "r", stdin);
        freopen("ltt.out", "w", stdout);
    }
//    int t;
//    cin >> t;
//    while(t--){
    solve();
//    }
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int main()':
Main.cpp:75:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   75 |         freopen("ltt.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:76:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   76 |         freopen("ltt.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 12 / 12
• Subtask 2: 28 / 28
• Subtask 3: 21 / 21
• Subtask 4: 39 / 39